78821676

素因数分解:

$2^2\times 3^2\times {\mathrm{2189491}}^1$

素因数の和:2189501

約数の個数: 18

約数和(自身を含む): 199243772

約数和(自身を除く): 120422096

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2189491, 4378982, 6568473, 8757964, 13136946, 19705419, 26273892, 39410838, 78821676]

約数ペア:

[(1, 78821676), (2, 39410838), (3, 26273892), (4, 19705419), (6, 13136946), (9, 8757964), (12, 6568473), (18, 4378982), (36, 2189491)]